<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- <button onclick="tui()">后退按钮</button> -->
    <script>
        document.write("<br>Web浏览器的全称是："+"<br>");
        document.write(navigator.appName+"<br>");
        document.write("浏览器的用户代理报头是："+"<br>");
        document.write(navigator.userAgent+"<br>");
        document.write("浏览器版本信息是："+"<br>");
        document.write(navigator.appVersion+"<br>");
        document.write("浏览器平台是是："+"<br>");
        document.write(navigator.platform+"<br>");

       setTimeout(function(){
           history.go(-1);
        }, 2000); 
    </script>
</body>
</html>